{"id":33476,"date":"2025-03-07T10:35:00","date_gmt":"2025-03-07T02:35:00","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=33476"},"modified":"2025-03-07T10:35:00","modified_gmt":"2025-03-07T02:35:00","slug":"%e6%9c%8d%e5%8a%a1%e8%b0%83%e7%94%a8%e9%93%be%e5%a6%82%e4%bd%95%e5%ba%94%e5%af%b9%e6%9c%8d%e5%8a%a1%e9%9b%aa%e5%b4%a9%e6%95%88%e5%ba%94%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/33476.html","title":{"rendered":"\u670d\u52a1\u8c03\u7528\u94fe\u5982\u4f55\u5e94\u5bf9\u670d\u52a1\u96ea\u5d29\u6548\u5e94\uff1f"},"content":{"rendered":"<p style=\"text-align: center;\">\n<p><img decoding=\"async\" src=\"https:\/\/www.yunshan.net\/blog\/wp-content\/uploads\/2025\/03\/CI2K7jALz.jpg\" alt=\"\u670d\u52a1\u8c03\u7528\u94fe\u5982\u4f55\u5e94\u5bf9\u670d\u52a1\u96ea\u5d29\u6548\u5e94\uff1f\" ><\/p>\n<\/p>\n<p>\u5728\u5fae\u670d\u52a1\u67b6\u6784\u9010\u6e10\u6210\u4e3a\u4e3b\u6d41\u7684\u4eca\u5929\uff0c\u7cfb\u7edf\u590d\u6742\u5ea6\u5448\u6307\u6570\u7ea7\u589e\u957f\u3002\u67d0\u7535\u5546\u5e73\u53f0\u66fe\u5728\u4fc3\u9500\u6d3b\u52a8\u4e2d\u56e0\u4e00\u4e2a\u652f\u4ed8\u63a5\u53e3\u7684\u54cd\u5e94\u5ef6\u8fdf\uff0c\u5bfc\u81f4\u8ba2\u5355\u670d\u52a1\u7ebf\u7a0b\u6c60\u8017\u5c3d\uff0c\u6700\u7ec8\u5f15\u53d1\u5168\u7ad9\u670d\u52a1\u7ea7\u8054\u5d29\u6e83\u2014\u2014\u8fd9\u6b63\u662f\u5178\u578b\u7684<strong>\u670d\u52a1\u96ea\u5d29\u6548\u5e94<\/strong>\u3002\u5f53<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u670d\u52a1\u8c03\u7528\u94fe<\/a>\u4e2d\u7684\u67d0\u4e2a\u8282\u70b9\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u5c31\u50cf\u591a\u7c73\u8bfa\u9aa8\u724c\u88ab\u63a8\u5012\u7b2c\u4e00\u5757\uff0c\u6574\u4e2a\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u5c06\u9762\u4e34\u4e25\u5cfb\u8003\u9a8c\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u670d\u52a1\u8c03\u7528\u94fe<\/a>\u7684\u5173\u952e\u673a\u5236\uff0c\u63ed\u793a\u5982\u4f55\u901a\u8fc7<strong>\u7194\u65ad\u964d\u7ea7<\/strong>\u3001<strong>\u6d41\u91cf\u63a7\u5236<\/strong>\u548c<strong>\u5f39\u6027\u8bbe\u8ba1<\/strong>\u6784\u5efa\u53ef\u9760\u7684\u7cfb\u7edf\u9632\u5fa1\u4f53\u7cfb\u3002<\/p>\n<hr>\n<h3 id=\"\u4e00-\u670d\u52a1\u96ea\u5d29\u7684\u89e6\u53d1\u673a\u5236\u4e0e\u8c03\u7528\u94fe\u76d1\u63a7\">\u4e00\u3001\u670d\u52a1\u96ea\u5d29\u7684\u89e6\u53d1\u673a\u5236\u4e0e\u8c03\u7528\u94fe\u76d1\u63a7<\/h3>\n<p>\u670d\u52a1\u96ea\u5d29\u7684\u672c\u8d28\u662f<strong>\u6545\u969c\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u94fe\u5f0f\u6269\u6563<\/strong>\u3002\u5f53\u4e0a\u6e38\u670d\u52a1\u56e0\u9ad8\u5e76\u53d1\u3001\u8d44\u6e90\u8017\u5c3d\u6216\u4ee3\u7801\u7f3a\u9677\u51fa\u73b0\u5f02\u5e38\u65f6\uff0c\u82e5\u672a\u91c7\u53d6\u6709\u6548\u9694\u79bb\u63aa\u65bd\uff0c\u5f02\u5e38\u4f1a\u901a\u8fc7\u670d\u52a1\u4f9d\u8d56\u5173\u7cfb\u5411\u4e0b\u6e38\u9010\u7ea7\u4f20\u9012\u30022021\u5e74O&rsquo;Reilly\u7684\u67b6\u6784\u8c03\u7814\u663e\u793a\uff0c78%\u7684\u7ebf\u4e0a\u4e8b\u6545\u7531\u7ea7\u8054\u6545\u969c\u5f15\u53d1\uff0c\u5176\u4e2d60%\u4e0e\u8c03\u7528\u94fe\u76d1\u63a7\u7f3a\u5931\u76f4\u63a5\u76f8\u5173\u3002<\/p>\n<p><strong>\u8c03\u7528\u94fe\u8ddf\u8e2a\u7cfb\u7edf<\/strong>\uff08\u5982Zipkin\u3001<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">SkyWalking<\/a>\uff09\u901a\u8fc7\u8bb0\u5f55\u8bf7\u6c42\u5728\u5404\u4e2a\u5fae\u670d\u52a1\u95f4\u7684\u6d41\u8f6c\u8def\u5f84\uff0c\u6784\u5efa\u51fa\u5b8c\u6574\u7684\u62d3\u6251\u5173\u7cfb\u56fe\u8c31\u3002\u8fd9\u79cd\u53ef\u89c6\u5316\u80fd\u529b\u8ba9\u7cfb\u7edf\u5177\u5907\u4e86\u4e09\u91cd\u9632\u5fa1\u4f18\u52bf\uff1a<\/p>\n<ol>\n<li><em>\u7cbe\u51c6\u5b9a\u4f4d\u74f6\u9888\u8282\u70b9<\/em>\uff1a\u81ea\u52a8\u6807\u8bb0\u54cd\u5e94\u65f6\u95f4\u8d85\u8fc7\u9608\u503c\u7684\u670d\u52a1\n<\/li>\n<li><em>\u5f02\u5e38\u4f20\u64ad\u8def\u5f84\u9884\u6d4b<\/em>\uff1a\u57fa\u4e8e\u5386\u53f2\u6570\u636e\u5206\u6790\u6545\u969c\u6269\u6563\u6a21\u5f0f\n<\/li>\n<li><em>\u52a8\u6001\u4f9d\u8d56\u5173\u7cfb\u7ba1\u7406<\/em>\uff1a\u8bc6\u522b\u975e\u6838\u5fc3\u670d\u52a1\u5e76\u8bbe\u7f6e\u964d\u7ea7\u4f18\u5148\u7ea7\n<\/li>\n<\/ol>\n<p>\u67d0\u91d1\u878d\u79d1\u6280\u516c\u53f8\u901a\u8fc7\u8c03\u7528\u94fe\u5206\u6790\u53d1\u73b0\uff0c\u5176\u98ce\u63a7\u670d\u52a1\u5728\u9ad8\u5cf0\u671f\u4f1a\u5360\u752890%\u7684\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u8fd9\u6b63\u662f\u901a\u8fc7\u8c03\u7528\u94fe\u7684<strong>\u8017\u65f6\u5360\u6bd4\u70ed\u529b\u56fe<\/strong>\u53d1\u73b0\u7684\u5178\u578b\u8d44\u6e90\u4e89\u7528\u95ee\u9898\u3002<\/p>\n<hr>\n<h3 id=\"\u4e8c-\u6784\u5efa\u8c03\u7528\u94fe\u97e7\u6027\u67b6\u6784\u7684\u6838\u5fc3\u7b56\u7565\">\u4e8c\u3001\u6784\u5efa\u8c03\u7528\u94fe\u97e7\u6027\u67b6\u6784\u7684\u6838\u5fc3\u7b56\u7565<\/h3>\n<h4 id=\"2-1-\u7194\u65ad\u5668\u6a21\u5f0f\u5b9e\u8df5\">2.1 \u7194\u65ad\u5668\u6a21\u5f0f\u5b9e\u8df5<\/h4>\n<p><strong>\u7194\u65ad\u673a\u5236<\/strong>\uff08Circuit Breaker\uff09\u662f\u5e94\u5bf9\u7ea7\u8054\u6545\u969c\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u5f53\u67d0\u4e2a\u670d\u52a1\u7684\u9519\u8bef\u7387\u8d85\u8fc7\u8bbe\u5b9a\u9608\u503c\u65f6\uff0c\u7194\u65ad\u5668\u4f1a\u81ea\u52a8\u5207\u65ad\u8bf7\u6c42\u6d41\u91cf\uff0c\u907f\u514d\u8d44\u6e90\u6301\u7eed\u6d88\u8017\u3002Netflix Hystrix\u7684\u5b9e\u8df5\u8868\u660e\uff0c\u5408\u7406\u914d\u7f6e\u7194\u65ad\u53c2\u6570\u53ef\u4f7f\u7cfb\u7edf\u6062\u590d\u65f6\u95f4\u7f29\u77ed83%\u3002<\/p>\n<ul>\n<li><strong>\u4e09\u7ea7\u7194\u65ad\u7b56\u7565<\/strong>\uff1a\n<\/li>\n<\/ul>\n<ol>\n<li>\u95ed\u5408\u72b6\u6001\uff1a\u6b63\u5e38\u5904\u7406\u8bf7\u6c42\n<\/li>\n<li>\u534a\u5f00\u72b6\u6001\uff1a\u8bd5\u63a2\u6027\u653e\u884c\u90e8\u5206\u8bf7\u6c42\n<\/li>\n<li>\u5f00\u542f\u72b6\u6001\uff1a\u76f4\u63a5\u62d2\u7edd\u8bf7\u6c42\u5e76\u542f\u7528\u964d\u7ea7\u903b\u8f91\n<\/li>\n<\/ol>\n<p><em>\u5173\u952e\u914d\u7f6e\u53c2\u6570\u793a\u4f8b<\/em>\uff1a<\/p>\n<pre><code class=\"language-java\">HystrixCommandProperties.Setter()  \r\n.withCircuitBreakerRequestVolumeThreshold(20) \/\/ \u65f6\u95f4\u7a97\u53e3\u5185\u6700\u4f4e\u8bf7\u6c42\u6570  \r\n.withCircuitBreakerErrorThresholdPercentage(50) \/\/ \u9519\u8bef\u7387\u9608\u503c  \r\n.withCircuitBreakerSleepWindowInMilliseconds(5000) \/\/ \u7194\u65ad\u6301\u7eed\u65f6\u95f4  \r\n<\/code><\/pre>\n<h4 id=\"2-2-\u667a\u80fd\u9650\u6d41\u4e0e\u6d41\u91cf\u6574\u5f62\">2.2 \u667a\u80fd\u9650\u6d41\u4e0e\u6d41\u91cf\u6574\u5f62<\/h4>\n<p>\u4f20\u7edf\u7684\u56fa\u5b9a\u9608\u503c\u9650\u6d41\u96be\u4ee5\u5e94\u5bf9\u52a8\u6001\u8d1f\u8f7d\u53d8\u5316\uff0c<strong>\u81ea\u9002\u5e94\u9650\u6d41\u7b97\u6cd5<\/strong>\u901a\u8fc7\u5b9e\u65f6\u76d1\u63a7\u7cfb\u7edf\u6307\u6807\uff08CPU\u3001\u5185\u5b58\u3001\u961f\u5217\u6df1\u5ea6\uff09\u52a8\u6001\u8c03\u6574\u9650\u6d41\u9608\u503c\u3002\u963f\u91ccSentinel\u7684&rdquo;\u6162\u8c03\u7528\u6bd4\u4f8b+\u5e76\u53d1\u6570&rdquo;\u6df7\u5408\u7b56\u7565\uff0c\u5728618\u5927\u4fc3\u671f\u95f4\u6210\u529f\u5c06\u670d\u52a1\u8d85\u65f6\u7387\u63a7\u5236\u57280.03%\u4ee5\u4e0b\u3002<\/p>\n<p><strong>\u4ee4\u724c\u6876\u4e0e\u6f0f\u6876\u7b97\u6cd5\u5bf9\u6bd4<\/strong>\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7b97\u6cd5\u7c7b\u578b<\/th>\n<th>\u7a81\u53d1\u6d41\u91cf\u5904\u7406<\/th>\n<th>\u6d41\u91cf\u5e73\u6ed1\u5ea6<\/th>\n<th>\u5b9e\u73b0\u590d\u6742\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4ee4\u724c\u6876<\/td>\n<td>\u5141\u8bb8\u77ed\u671f\u7a81\u53d1<\/td>\n<td>\u4e2d\u7b49<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u6f0f\u6876<\/td>\n<td>\u4e25\u683c\u9650\u5236\u901f\u7387<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u67d0\u89c6\u9891\u6d41\u5a92\u4f53\u5e73\u53f0\u91c7\u7528<strong>\u5206\u5c42\u6d41\u91cf\u63a7\u5236<\/strong>\u7b56\u7565\uff1a\u5728API\u7f51\u5173\u5c42\u5b9e\u65bd\u5168\u5c40QPS\u9650\u5236\uff0c\u5728\u670d\u52a1\u5b9e\u4f8b\u7ea7\u522b\u8bbe\u7f6e\u7ebf\u7a0b\u6c60\u9694\u79bb\uff0c\u5728\u6570\u636e\u5e93\u8fde\u63a5\u5c42\u914d\u7f6e\u6700\u5927\u8fde\u63a5\u6570\uff0c\u5f62\u6210\u4e09\u7ea7\u9632\u62a4\u4f53\u7cfb\u3002<\/p>\n<hr>\n<h3 id=\"\u4e09-\u5f39\u6027\u8bbe\u8ba1\u6a21\u5f0f\u6df1\u5ea6\u89e3\u6790\">\u4e09\u3001\u5f39\u6027\u8bbe\u8ba1\u6a21\u5f0f\u6df1\u5ea6\u89e3\u6790<\/h3>\n<h4 id=\"3-1-\u670d\u52a1\u964d\u7ea7\u4e0e\u67d4\u6027\u4e8b\u52a1\">3.1 \u670d\u52a1\u964d\u7ea7\u4e0e\u67d4\u6027\u4e8b\u52a1<\/h4>\n<p>\u5f53\u7cfb\u7edf\u538b\u529b\u8fbe\u5230\u4e34\u754c\u70b9\u65f6\uff0c<strong>\u670d\u52a1\u964d\u7ea7<\/strong>\u7b56\u7565\u901a\u8fc7\u5173\u95ed\u975e\u6838\u5fc3\u529f\u80fd\u4fdd\u969c\u4e3b\u5e72\u94fe\u8def\u901a\u7545\u3002\u5e38\u89c1\u7684\u964d\u7ea7\u65b9\u5f0f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u529f\u80fd\u964d\u7ea7<\/strong>\uff1a\u5173\u95ed\u5546\u54c1\u63a8\u8350\u3001\u79ef\u5206\u8ba1\u7b97\u7b49\u8f85\u52a9\u529f\u80fd\n<\/li>\n<li><strong>\u6570\u636e\u964d\u7ea7<\/strong>\uff1a\u8fd4\u56de\u7f13\u5b58\u6570\u636e\u6216\u9ed8\u8ba4\u503c\n<\/li>\n<li><strong>\u8d85\u65f6\u964d\u7ea7<\/strong>\uff1a\u4f18\u5148\u4fdd\u969c\u5feb\u901f\u5931\u8d25\u800c\u975e\u7b49\u5f85\u54cd\u5e94\n<\/li>\n<\/ul>\n<p>\u5728\u8ba2\u5355\u652f\u4ed8\u573a\u666f\u4e2d\uff0c\u91c7\u7528<strong>\u6700\u7ec8\u4e00\u81f4\u6027\u65b9\u6848<\/strong>\u66ff\u4ee3\u5f3a\u4e00\u81f4\u6027\u4e8b\u52a1\uff1a<\/p>\n<ol>\n<li>\u652f\u4ed8\u670d\u52a1\u8bb0\u5f55\u64cd\u4f5c\u65e5\u5fd7\n<\/li>\n<li>\u5f02\u6b65\u66f4\u65b0\u8ba2\u5355\u72b6\u6001\n<\/li>\n<li>\u5b9a\u65f6\u4efb\u52a1\u8865\u507f\u5f02\u5e38\u4ea4\u6613\n<\/li>\n<\/ol>\n<p>\u8be5\u65b9\u6848\u4f7f\u5f97\u7cfb\u7edf\u5728\u6570\u636e\u5e93\u6545\u969c\u65f6\u4ecd\u80fd\u4fdd\u6301\u6838\u5fc3\u652f\u4ed8\u529f\u80fd\u53ef\u7528\uff0c\u4e8b\u540e\u901a\u8fc7\u5bf9\u8d26\u7cfb\u7edf\u4fee\u590d\u6570\u636e\u4e0d\u4e00\u81f4\u95ee\u9898\u3002<\/p>\n<h4 id=\"3-2-\u5f39\u6027\u5bb9\u91cf\u89c4\u5212\">3.2 \u5f39\u6027\u5bb9\u91cf\u89c4\u5212<\/h4>\n<p><strong>\u5f39\u6027\u4f38\u7f29<\/strong>\u9700\u8981\u7ed3\u5408\u9884\u6d4b\u7b97\u6cd5\u4e0e\u5b9e\u65f6\u76d1\u63a7\u6570\u636e\u3002\u67d0\u4e91\u670d\u52a1\u5546\u7684\u81ea\u52a8\u6269\u7f29\u6a21\u578b\u5305\u542b\u4e09\u4e2a\u7ef4\u5ea6\uff1a<\/p>\n<ol>\n<li><strong>\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b<\/strong>\uff1a\u57fa\u4e8eARIMA\u7b97\u6cd5\u9884\u6d4b\u672a\u67652\u5c0f\u65f6\u8d1f\u8f7d\n<\/li>\n<li><strong>\u5b9e\u65f6\u6307\u6807\u54cd\u5e94<\/strong>\uff1aCPU\u4f7f\u7528\u7387\u8d85\u8fc775%\u89e6\u53d1\u6269\u5bb9\n<\/li>\n<li><strong>\u6210\u672c\u4f18\u5316\u7ea6\u675f<\/strong>\uff1a\u786e\u4fdd\u5b9e\u4f8b\u6570\u91cf\u5728\u9884\u7b97\u8303\u56f4\u5185\n<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u90e8\u7f72<strong>\u6df7\u6c8c\u5de5\u7a0b\u5e73\u53f0<\/strong>\uff0c\u5b9a\u671f\u6a21\u62df\u7f51\u7edc\u5ef6\u8fdf\u3001\u8282\u70b9\u5b95\u673a\u7b49\u6545\u969c\u573a\u666f\uff0c\u53ef\u4ee5\u6301\u7eed\u9a8c\u8bc1\u7cfb\u7edf\u7684\u5f39\u6027\u80fd\u529b\u3002Netflix\u7684Chaos Monkey\u5de5\u5177\u5728\u5b9e\u8df5\u4e2d\u5c06\u6545\u969c\u6062\u590d\u65f6\u95f4\u5e73\u5747\u7f29\u77ed\u4e8640%\u3002<\/p>\n<hr>\n<h3 id=\"\u56db-\u5168\u94fe\u8def\u53ef\u89c2\u6d4b\u6027\u4f53\u7cfb\u5efa\u8bbe\">\u56db\u3001\u5168\u94fe\u8def\u53ef\u89c2\u6d4b\u6027\u4f53\u7cfb\u5efa\u8bbe<\/h3>\n<p>\u5b8c\u5584\u7684\u76d1\u63a7\u4f53\u7cfb\u9700\u8981\u8986\u76d6\u4e09\u4e2a\u7ef4\u5ea6\uff1a<\/p>\n<ol>\n<li><strong>Metrics<\/strong>\uff08\u6307\u6807\uff09\uff1aQPS\u3001\u9519\u8bef\u7387\u3001\u54cd\u5e94\u65f6\u95f4\u767e\u5206\u4f4d\n<\/li>\n<li><strong>Tracing<\/strong>\uff08\u8ffd\u8e2a\uff09\uff1a\u8c03\u7528\u94fe\u62d3\u6251\u3001\u8de8\u670d\u52a1\u8017\u65f6\u5206\u6790\n<\/li>\n<li><strong>Logging<\/strong>\uff08\u65e5\u5fd7\uff09\uff1a\u7ed3\u6784\u5316\u65e5\u5fd7\u3001\u9519\u8bef\u4e0a\u4e0b\u6587\u6355\u83b7\n<\/li>\n<\/ol>\n<p><strong>\u8c03\u7528\u94fe\u67d3\u8272\u6280\u672f<\/strong>\u901a\u8fc7\u5728\u8bf7\u6c42\u5934\u6ce8\u5165\u7279\u5b9a\u6807\u8bb0\uff08\u5982X-B3-TraceId\uff09\uff0c\u53ef\u4ee5\u5b9e\u73b0\uff1a<\/p>\n<ul>\n<li>\u7070\u5ea6\u53d1\u5e03\u9a8c\u8bc1\n<\/li>\n<li>\u6545\u969c\u8bf7\u6c42\u56de\u653e\n<\/li>\n<li>\u5168\u94fe\u8def\u538b\u6d4b\n<\/li>\n<\/ul>\n<p>\u67d0\u7269\u6d41\u5e73\u53f0\u5f15\u5165OpenTelemetry\u6807\u51c6\u540e\uff0c\u6545\u969c\u5b9a\u4f4d\u65f6\u95f4\u4ece\u5c0f\u65f6\u7ea7\u7f29\u77ed\u5230\u5206\u949f\u7ea7\u3002\u5176\u76d1\u63a7\u770b\u677f\u96c6\u6210\u4e86\uff1a<\/p>\n<ul>\n<li>\u670d\u52a1\u4f9d\u8d56\u77e9\u9635\u56fe\n<\/li>\n<li>\u5b9e\u65f6\u5065\u5eb7\u5ea6\u8bc4\u5206\n<\/li>\n<li>\u81ea\u52a8<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u6839\u56e0\u5206\u6790<\/a>\u5efa\u8bae\n<\/li>\n<\/ul>\n<hr>\n<p>\u5728\u5fae\u670d\u52a1\u67b6\u6784\u7684\u590d\u6742\u7f51\u7edc\u4e2d\uff0c<strong>\u9632\u5fa1\u96ea\u5d29\u6548\u5e94\u672c\u8d28\u4e0a\u662f\u5efa\u7acb\u591a\u7ef4\u5ea6\u7684\u97e7\u6027\u4f53\u7cfb<\/strong>\u3002\u4ece\u8c03\u7528\u94fe\u76d1\u63a7\u5230\u5f39\u6027\u4f38\u7f29\uff0c\u4ece\u7194\u65ad\u964d\u7ea7\u5230\u6df7\u6c8c\u5de5\u7a0b\uff0c\u6bcf\u4e2a\u73af\u8282\u90fd\u9700\u8981\u7cbe\u7ec6\u5316\u7684\u8bbe\u8ba1\u7b56\u7565\u3002\u901a\u8fc7\u5c06\u7a33\u5b9a\u6027\u5efa\u8bbe\u7eb3\u5165\u6301\u7eed\u4ea4\u4ed8\u6d41\u7a0b\uff0c\u4f7f\u7cfb\u7edf\u5177\u5907&rdquo;\u6545\u969c\u81ea\u6108&rdquo;\u7684\u80fd\u529b\uff0c\u65b9\u80fd\u5728\u77ac\u606f\u4e07\u53d8\u7684\u6d41\u91cf\u6d2a\u6d41\u4e2d\u7a33\u5982\u78d0\u77f3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5fae\u670d\u52a1\u67b6\u6784\u9010\u6e10\u6210\u4e3a\u4e3b\u6d41\u7684\u4eca\u5929\uff0c\u7cfb\u7edf\u590d\u6742\u5ea6\u5448\u6307\u6570\u7ea7\u589e\u957f\u3002\u67d0\u7535\u5546\u5e73\u53f0\u66fe\u5728\u4fc3\u9500\u6d3b\u52a8\u4e2d\u56e0\u4e00\u4e2a\u652f\u4ed8\u63a5\u53e3\u7684\u54cd\u5e94\u5ef6\u8fdf\uff0c\u5bfc\u81f4\u8ba2\u5355\u670d\u52a1\u7ebf\u7a0b\u6c60\u8017\u5c3d\uff0c\u6700\u7ec8\u5f15\u53d1\u5168\u7ad9\u670d\u52a1\u7ea7\u8054\u5d29\u6e83\u2014\u2014\u8fd9\u6b63\u662f\u5178\u578b\u7684\u670d\u52a1\u96ea\u5d29\u6548\u5e94\u3002\u5f53\u670d\u52a1\u8c03\u7528\u94fe\u4e2d\u7684\u67d0\u4e2a\u8282\u70b9\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u5c31\u50cf\u591a\u7c73\u8bfa\u9aa8\u724c\u88ab\u63a8\u5012\u7b2c\u4e00\u5757\uff0c\u6574\u4e2a\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u5c06\u9762\u4e34\u4e25\u5cfb\u8003\u9a8c\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790\u670d\u52a1\u8c03\u7528\u94fe\u7684\u5173\u952e\u673a\u5236\uff0c\u63ed\u793a\u5982\u4f55\u901a\u8fc7\u7194\u65ad\u964d\u7ea7\u3001\u6d41\u91cf\u63a7\u5236\u548c\u5f39\u6027\u8bbe\u8ba1\u6784\u5efa\u53ef\u9760\u7684\u7cfb\u7edf\u9632\u5fa1\u4f53\u7cfb\u3002 \u4e00\u3001\u670d\u52a1\u96ea\u5d29\u7684\u89e6\u53d1\u673a\u5236\u4e0e\u8c03\u7528\u94fe\u76d1\u63a7 \u670d\u52a1\u96ea\u5d29\u7684\u672c\u8d28\u662f\u6545\u969c\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u94fe\u5f0f\u6269\u6563\u3002\u5f53\u4e0a\u6e38\u670d\u52a1\u56e0\u9ad8\u5e76\u53d1\u3001\u8d44\u6e90\u8017\u5c3d\u6216\u4ee3\u7801\u7f3a\u9677\u51fa\u73b0\u5f02\u5e38\u65f6\uff0c\u82e5\u672a\u91c7\u53d6\u6709\u6548\u9694\u79bb\u63aa\u65bd\uff0c\u5f02\u5e38\u4f1a\u901a\u8fc7\u670d\u52a1\u4f9d\u8d56\u5173\u7cfb\u5411\u4e0b\u6e38\u9010\u7ea7\u4f20\u9012\u30022021\u5e74O&rsquo;Reilly\u7684\u67b6\u6784\u8c03\u7814\u663e\u793a\uff0c78%\u7684\u7ebf\u4e0a\u4e8b\u6545\u7531\u7ea7\u8054\u6545\u969c\u5f15\u53d1\uff0c\u5176\u4e2d60%\u4e0e\u8c03\u7528\u94fe\u76d1\u63a7\u7f3a\u5931\u76f4\u63a5\u76f8\u5173\u3002 \u8c03\u7528\u94fe\u8ddf\u8e2a\u7cfb\u7edf\uff08\u5982Zipkin\u3001SkyWalking\uff09\u901a\u8fc7\u8bb0\u5f55\u8bf7\u6c42\u5728\u5404\u4e2a\u5fae\u670d\u52a1\u95f4\u7684\u6d41\u8f6c\u8def\u5f84\uff0c\u6784\u5efa\u51fa\u5b8c\u6574\u7684\u62d3\u6251\u5173\u7cfb\u56fe\u8c31\u3002\u8fd9\u79cd\u53ef\u89c6\u5316\u80fd\u529b\u8ba9\u7cfb\u7edf\u5177\u5907\u4e86\u4e09\u91cd\u9632\u5fa1\u4f18\u52bf\uff1a \u7cbe\u51c6\u5b9a\u4f4d\u74f6\u9888\u8282\u70b9\uff1a\u81ea\u52a8\u6807\u8bb0\u54cd\u5e94\u65f6\u95f4\u8d85\u8fc7\u9608\u503c\u7684\u670d\u52a1 \u5f02\u5e38\u4f20\u64ad\u8def\u5f84\u9884\u6d4b\uff1a\u57fa\u4e8e\u5386\u53f2\u6570\u636e\u5206\u6790\u6545\u969c\u6269\u6563\u6a21\u5f0f \u52a8\u6001\u4f9d\u8d56\u5173\u7cfb\u7ba1\u7406\uff1a\u8bc6\u522b\u975e\u6838\u5fc3\u670d\u52a1\u5e76\u8bbe\u7f6e\u964d\u7ea7\u4f18\u5148\u7ea7 \u67d0\u91d1\u878d\u79d1\u6280\u516c\u53f8\u901a\u8fc7\u8c03\u7528\u94fe\u5206\u6790\u53d1\u73b0\uff0c\u5176\u98ce\u63a7\u670d\u52a1\u5728\u9ad8\u5cf0\u671f\u4f1a\u5360\u752890%\u7684\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u8fd9\u6b63\u662f\u901a\u8fc7\u8c03\u7528\u94fe\u7684\u8017\u65f6\u5360\u6bd4\u70ed\u529b\u56fe\u53d1\u73b0\u7684\u5178\u578b\u8d44\u6e90\u4e89\u7528\u95ee\u9898\u3002 \u4e8c\u3001\u6784\u5efa\u8c03\u7528\u94fe\u97e7\u6027\u67b6\u6784\u7684\u6838\u5fc3\u7b56\u7565 2.1 \u7194\u65ad\u5668\u6a21\u5f0f\u5b9e\u8df5 \u7194\u65ad\u673a\u5236\uff08Circuit Breaker\uff09\u662f\u5e94\u5bf9\u7ea7\u8054\u6545\u969c\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u5f53\u67d0\u4e2a\u670d\u52a1\u7684\u9519\u8bef\u7387\u8d85\u8fc7\u8bbe\u5b9a\u9608\u503c\u65f6\uff0c\u7194\u65ad\u5668\u4f1a\u81ea\u52a8\u5207\u65ad\u8bf7\u6c42\u6d41\u91cf\uff0c\u907f\u514d\u8d44\u6e90\u6301\u7eed\u6d88\u8017\u3002Netflix Hystrix\u7684\u5b9e\u8df5\u8868\u660e\uff0c\u5408\u7406\u914d\u7f6e\u7194\u65ad\u53c2\u6570\u53ef\u4f7f\u7cfb\u7edf\u6062\u590d\u65f6\u95f4\u7f29\u77ed83%\u3002 \u4e09\u7ea7\u7194\u65ad\u7b56\u7565\uff1a \u95ed\u5408\u72b6\u6001\uff1a\u6b63\u5e38\u5904\u7406\u8bf7\u6c42 \u534a\u5f00\u72b6\u6001\uff1a\u8bd5\u63a2\u6027\u653e\u884c\u90e8\u5206\u8bf7\u6c42 \u5f00\u542f\u72b6\u6001\uff1a\u76f4\u63a5\u62d2\u7edd\u8bf7\u6c42\u5e76\u542f\u7528\u964d\u7ea7\u903b\u8f91 \u5173\u952e\u914d\u7f6e\u53c2\u6570\u793a\u4f8b\uff1a HystrixCommandProperties.Setter() .withCircuitBreakerRequestVolumeThreshold(20) \/\/ \u65f6\u95f4\u7a97\u53e3\u5185\u6700\u4f4e\u8bf7\u6c42\u6570 .withCircuitBreakerErrorThresholdPercentage(50) \/\/ \u9519\u8bef\u7387\u9608\u503c .withCircuitBreakerSleepWindowInMilliseconds(5000) \/\/ \u7194\u65ad\u6301\u7eed\u65f6\u95f4 2.2 \u667a\u80fd\u9650\u6d41\u4e0e\u6d41\u91cf\u6574\u5f62 \u4f20\u7edf\u7684\u56fa\u5b9a\u9608\u503c\u9650\u6d41\u96be\u4ee5\u5e94\u5bf9\u52a8\u6001\u8d1f\u8f7d\u53d8\u5316\uff0c\u81ea\u9002\u5e94\u9650\u6d41\u7b97\u6cd5\u901a\u8fc7\u5b9e\u65f6\u76d1\u63a7\u7cfb\u7edf\u6307\u6807\uff08CPU\u3001\u5185\u5b58\u3001\u961f\u5217\u6df1\u5ea6\uff09\u52a8\u6001\u8c03\u6574\u9650\u6d41\u9608\u503c\u3002\u963f\u91ccSentinel\u7684&rdquo;\u6162\u8c03\u7528\u6bd4\u4f8b+\u5e76\u53d1\u6570&rdquo;\u6df7\u5408\u7b56\u7565\uff0c\u5728618\u5927\u4fc3\u671f\u95f4\u6210\u529f\u5c06\u670d\u52a1\u8d85\u65f6\u7387\u63a7\u5236\u57280.03%\u4ee5\u4e0b\u3002 \u4ee4\u724c\u6876\u4e0e\u6f0f\u6876\u7b97\u6cd5\u5bf9\u6bd4\uff1a \u7b97\u6cd5\u7c7b\u578b \u7a81\u53d1\u6d41\u91cf\u5904\u7406 \u6d41\u91cf\u5e73\u6ed1\u5ea6 \u5b9e\u73b0\u590d\u6742\u5ea6 \u4ee4\u724c\u6876 \u5141\u8bb8\u77ed\u671f\u7a81\u53d1 \u4e2d\u7b49 \u4f4e \u6f0f\u6876 \u4e25\u683c\u9650\u5236\u901f\u7387 \u9ad8 \u4e2d 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